Home / 13,610.16-20,419.34-11,259.54

Finding the Fourth Proportional to 13,610.16, 20,419.34 and 11,259.54

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Solution

The fourth proportional to 13,610.16, 20,419.34 and 11,259.54 is: 16,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.16 : 20,419.34 = 11,259.54 : x
  2. Step 2: Convert to fraction form
    13,610.16/20,419.34 = 11,259.54/x
  3. Step 3: Cross multiply
    13,610.16x = 20,419.34 × 11,259.54
  4. Step 4: Simplify right side
    13,610.16x = 229,912,319.21
  5. Step 5: Solve for x
    x = 229,912,319.21/13,610.16
  6. Step 6: Final answer
    x = 16,892.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.